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CTECP Insights

Retrofit First, Expand Later

2026-10-30 · CTECP — Global Design-Build General Contractor

Buy or lease a building that is almost right, fit it out, start production, then build the real plant on the parcel next door. It is the most sensible way for a foreign manufacturer to enter the United States — and it fails in a predictable way: phase 1 gets designed as if phase 2 were never going to happen.

Why the phased route is usually right

An existing building already has a structure, a roof, a service entrance and, usually, a certificate of occupancy. The permit scope narrows to what you are changing. Production can start months earlier, on a smaller commitment, in a market where you do not yet know your real cost base.

It also buys information. You learn how the Authority Having Jurisdiction actually behaves, which subcontractors perform, what US labour really costs you and how long your imported equipment takes to get approved — all on a project small enough to survive being wrong.

Then you build phase 2 knowing those answers instead of guessing them. That is the whole argument, and it is a good one.

Before you sign: what decides whether the building can take your process

Most of these are cheap to check and ruinous to discover late. Walk the building with this list:

Get the answers in writing before the lease or purchase is signed. Afterwards they are no longer questions, they are costs.

Altering an existing building is a different permit path

Work on an existing building is reviewed under the existing-building provisions your jurisdiction has adopted, which scale the requirements to how much you are changing. Modest work stays modest. But two things escalate fast.

Change of occupancy is the trap. Converting a warehouse to manufacturing, or introducing hazardous materials, can change the occupancy classification — and with it fire separation, egress, construction type and sprinkler design. The paint-and-partitions project becomes a structural one. Settle the occupancy classification with the architect and the AHJ at the very start; it is one of the few decisions that is genuinely hard to unwind.

Accessibility obligations attach to alterations, and they are federal, not local. More on that below, because it interacts badly with phasing.

Phasing does not let you avoid the accessibility obligation — it compounds it

Under the ADA regulations at 28 CFR 36.403, when you alter an area containing a primary function, you must also make the path of travel to that area accessible — entrance, route, restrooms, drinking fountains, telephones — up to the point where that work exceeds 20% of the cost of the alteration to the primary function area. Beyond 20% it is deemed disproportionate, and you do as much as 20% buys, in a priority order that puts an accessible entrance first.

Now the part that matters for a phased plan. The regulation expressly blocks the obvious workaround:

So splitting a project into phase 1 and phase 2 does not reset the clock. Within three years the costs aggregate, and the 20% is measured against the larger number — which usually means more accessibility work, not less. Budget it in phase 1 deliberately rather than discovering it in phase 2.

Note also that alterations limited to windows, hardware, controls, electrical outlets and signage are not treated as affecting a primary function area. And in Texas there is a separate state obligation on top: commercial projects at or above $50,000 must be registered with TDLR and reviewed by a Registered Accessibility Specialist.

Design phase 1 for phase 2 — this is where the money is

Every item below costs a little now and a great deal later. This is the actual content of a good phased strategy:

Draw the phase 2 footprint before you finalise phase 1 civil works, even if the second building is three years away and the dimensions are a guess. A guessed footprint in the right place beats no footprint.

Building next to a plant that is running

By phase 2 the site is a live manufacturing operation, and production continuity, not construction efficiency, becomes the governing constraint.

Price this honestly. Building beside a running plant costs more per square metre than greenfield, and a contractor who has not priced the disruption will find it later, in change orders.

Where phased projects actually lose money

In the order we see it: a utility service that has to be upgraded twice; detention and site utilities built where phase 2 belongs; a change of occupancy nobody classified early; sprinkler density that does not match the new commodity; and accessibility work that was deferred and then aggregated.

None of those are construction failures. They are all planning decisions taken in phase 1 by someone who was only thinking about phase 1.

How CTECP works on phased plants

CTECP has delivered plant expansions, brownfield conversions and fit-outs alongside greenfield work — 250+ industrial projects and 580,000+ m² across 9 countries since 2016 — and works in the United States through CTECP INC (Houston and Dallas, Texas; Greenville, South Carolina).

On a phased programme we would rather be involved before the building is signed than after. The decisions that determine what phase 2 costs are nearly all made before phase 1 breaks ground, and most of them are free at that point.

If you have a building in mind and a parcel beside it, send us both. We will tell you plainly whether the sequence works.

Looking at a building with land beside it? Let us check it before you sign.

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More insights
Building a Plant in the United States as a Foreign Manufacturer → Building a Manufacturing Plant in Upstate South Carolina → Industrial Construction in Texas: Permits, Licensed Trades and Power →

Frequently asked questions

Is it cheaper to retrofit an existing US building than build new?

Usually for the first facility, yes — the structure, roof and service entrance exist, and the permit scope is narrower. The savings disappear if the incoming electrical service has to be upgraded, the sprinkler system does not suit your commodity, or the occupancy classification changes. Check those three before signing.

What triggers accessibility upgrades when we renovate a plant?

Under 28 CFR 36.403, altering an area containing a primary function requires the path of travel to that area to be made accessible, up to 20% of the cost of the primary-function alteration. The obligation cannot be avoided by splitting the work into a series of small alterations, and alterations to the same path of travel within the preceding three years are added into the calculation.

What should phase 1 do differently if we plan to expand later?

Size stormwater detention and the electrical service for the ultimate build-out, check fire water and riser capacity against the final building area, decide where the structural tie-in happens, keep yards, utilities and detention out of the future footprint, and get site plan approval for the master plan rather than only phase 1.

Can you build an expansion while the plant keeps running?

Yes, and it is normal — but production continuity governs the programme, not construction efficiency. It needs separate construction access, dust and vibration control, scheduled tie-in shutdowns agreed with the plant manager, and a priced allowance for the disruption. CTECP builds phased expansions alongside live operations; contact us at +1 904 788 3028.